our classroom（ )every day. so it is A cleans B is cleaning C is cleaned

题目

our classroom（ )every day. so it is A cleans B is cleaning C is cleaned
顺便问一下 everyday和every day 的区别

答案

C
every day 作状语,相当于副词,“每天”
everyday 作定语,相当于形容词,“日常的”